Feat/board implementation (#67)

* feat/board-implementation-4
- 로직 변경없는 chore 작업

* feat/board-implementation-5
- 피드백 반영본
- ENUM 명칭 수정 (-> BoardCategory)
- RESTful API 반영 API 수정

rest-api/src/main/java/com/dife/api/controller/BoardController.java

@@ -0,0 +1,54 @@
+package com.dife.api.controller;
+
+import com.dife.api.model.BoardCategory;
+import com.dife.api.model.Member;
+import com.dife.api.model.Post;
+import com.dife.api.model.dto.BoardDto;
+import com.dife.api.model.dto.PostCreateRequestDto;
+import com.dife.api.model.dto.PostResponseDto;
+import com.dife.api.service.MemberService;
+import com.dife.api.service.PostService;
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.Authentication;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+import static org.springframework.http.HttpStatus.CREATED;
+import static org.springframework.http.HttpStatus.OK;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/api/posts")
+public class BoardController {
+
+    private final MemberService memberService;
+    private final PostService postService;
+
+    @PostMapping
+    public ResponseEntity<PostResponseDto> createPost(@Valid @RequestBody PostCreateRequestDto request, Authentication auth) {
+        Member currentMember = memberService.getMember(auth.getName());
+        Post post = postService.create(request, currentMember);
+
+        return ResponseEntity
+                .status(CREATED.value())
+                .body(new PostResponseDto(post));
+    }
+
+    @GetMapping("/")
+    public ResponseEntity<List<BoardDto>> getPostsByBoardType(@RequestParam("boardType") BoardCategory boardType) {
+        List<BoardDto> posts = postService.getPostsByBoardType(boardType);
+        return ResponseEntity.ok(posts);
+    }
+
+    @GetMapping("/{id}")
+    public ResponseEntity<PostResponseDto> seatchById(@PathVariable Long id)
+    {
+        Post post = postService.getPost(id);
+        return ResponseEntity
+                .status(OK.value())
+                .body(new PostResponseDto(post));
+    }
+}

rest-api/src/main/java/com/dife/api/model/BoardCategory.java

@@ -0,0 +1,6 @@
+package com.dife.api.model;
+
+public enum BoardCategory {
+    FREE,
+    TIP
+}

rest-api/src/main/java/com/dife/api/model/Post.java

@@ -0,0 +1,37 @@
+package com.dife.api.model;
+
+import jakarta.persistence.*;
+import jakarta.validation.constraints.NotNull;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@Entity
+@Table(name = "post")
+public class Post {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @NotNull
+    private String title;
+
+    @NotNull
+    private String content;
+
+    @NotNull
+    @Enumerated(EnumType.STRING)
+    private BoardCategory boardType;
+
+    private Integer viewCount;
+
+    @NotNull
+    private Boolean is_public;
+
+    @ManyToOne
+    @JoinColumn(name = "member_id")
+    private Member member;
+
+}

rest-api/src/main/java/com/dife/api/model/dto/BoardDto.java

@@ -0,0 +1,24 @@
+package com.dife.api.model.dto;
+
+import com.dife.api.model.Post;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class BoardDto {
+    private Long id;
+    private String title;
+    private String username;
+
+
+    public BoardDto(Post post) {
+        this.id = post.getId();
+        this.title = post.getTitle();
+        this.username = post.getMember().getNickname();
+    }
+}

rest-api/src/main/java/com/dife/api/model/dto/PostCreateRequestDto.java

@@ -0,0 +1,29 @@
+package com.dife.api.model.dto;
+
+import com.dife.api.model.BoardCategory;
+import jakarta.validation.constraints.NotNull;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class PostCreateRequestDto {
+
+    @NotNull
+    private String title;
+
+    @NotNull
+    private String content;
+
+    @NotNull
+    private Boolean is_public;
+
+    @NotNull
+    private BoardCategory boardType;
+
+
+}

rest-api/src/main/java/com/dife/api/model/dto/PostResponseDto.java

@@ -0,0 +1,40 @@
+package com.dife.api.model.dto;
+
+import com.dife.api.model.BoardCategory;
+import com.dife.api.model.Post;
+import jakarta.validation.constraints.NotNull;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class PostResponseDto {
+
+    @NotNull
+    private String title;
+
+    @NotNull
+    private String content;
+
+    @NotNull
+    private Boolean is_public;
+
+    @NotNull
+    private BoardCategory boardType;
+
+    @NotNull
+    private String username;
+
+    public PostResponseDto(Post request) {
+        this.title = request.getTitle();
+        this.content = request.getContent();
+        this.is_public = request.getIs_public();
+        this.boardType = request.getBoardType();
+        this.username = request.getMember().getNickname();
+    }
+
+}

rest-api/src/main/java/com/dife/api/repository/PostRepository.java

@@ -0,0 +1,11 @@
+package com.dife.api.repository;
+
+import com.dife.api.model.BoardCategory;
+import com.dife.api.model.Post;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+
+public interface PostRepository extends JpaRepository<Post, Long> {
+    List<Post> findPostsByBoardType(BoardCategory boardType);
+}

rest-api/src/main/java/com/dife/api/service/PostService.java

@@ -0,0 +1,55 @@
+package com.dife.api.service;
+
+import com.dife.api.model.BoardCategory;
+import com.dife.api.model.Member;
+import com.dife.api.model.Post;
+import com.dife.api.model.dto.BoardDto;
+import com.dife.api.model.dto.PostCreateRequestDto;
+
+import com.dife.api.repository.PostRepository;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+@Slf4j
+public class PostService {
+
+    private final PostRepository postRepository;
+
+    public Post create(PostCreateRequestDto requestDto, Member currentMember) {
+
+        Post post = new Post();
+        post.setTitle(requestDto.getTitle());
+        post.setContent(requestDto.getContent());
+        post.setIs_public(requestDto.getIs_public());
+        post.setBoardType(requestDto.getBoardType());
+        post.setMember(currentMember);
+
+        this.postRepository.save(post);
+
+        return post;
+    }
+
+    public List<BoardDto> getPostsByBoardType(BoardCategory boardType) {
+        List<Post> posts = postRepository.findPostsByBoardType(boardType);
+
+        return posts.stream()
+                .map(BoardDto::new)
+                .collect(Collectors.toList());
+    }
+
+    public Post getPost(Long id)
+    {
+        Post post = postRepository.findById(id).orElseThrow(()
+            -> new IllegalArgumentException("해당 게시물이 존재하지 않습니다!"));
+
+        return post;
+    }
+}